HOKA ONE ONE Mens Bondi 4 Running Sneaker Shoe, Grey/Acid (12.5) synthetic-and-fabric Made in USA Air Mesh Upper - Provides ventilation, keeping your feet feeling cool and comfortable. Lycra ComfortFrame Upper - Uses lycra fibres with excellent stretch and recovery properties for additional durability. Padded Tongue - Ensures extra comfort. TPU External Heel Counter - Ensures a secure heel fit. Soft EVA Midsole - 30% softer than traditional EVA foam, offering enhanced cushioning and support to the wearer.